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Finding TCH During Drive test

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  • #64441 Reply

    Hi guys

    i just want your help in drive test using TEMs Inv.
    when i make drive test, how can i know the tch Freq?
    and wat is the difference between TRX Freq. and TCH Freq??

    thanks in advance

    #64442 Reply

    you need to open “current channel” window

    #64443 Reply

    TCH freq is the BCCH frequency.
    TRX freq is the assigned trx freq or the hopping freq if u use hopping

    #64444 Reply

    Dear Brother

    As i know Current Channel will show you the BCCH Freq.

    i want the TCH Freq, and how can i find it

    #64445 Reply

    Sos@ as Brother wrote you may find what you want in current channel

    Eagle@ TCH freq is not BCCH freq! If you mean that sometimes TCH ARFCN and BCCH ARFCN seem same in current channel, it means your speaking on BCCH TRX(or let’s say main TRX)

    As you know, TRX has 8 slots. ANd you may define first slot for BCCH, second for SDCCH (or you may combine BCCH and SDCCH). you can define dynamic or static PDCH and remaining ones are TCH. So TRX freq inclued BCCH and TCH for main TRX. For others TRX freqs= TCH freqs.

    If you wanna see if TCH freqs have interference problem you may check freqs in Hopping Channels. When you open it you will see your tch freqs and their C/I values.

    I expect you got your answer.


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